In the Northeastern Pacific Ocean,sea Otters Occur at a Relatively

question 42

Multiple Choice

In the northeastern Pacific ocean,sea otters occur at a relatively low abundance.By preying upon sea urchins,sea otters maintain underwater kelp (large algae) "forests",which would otherwise be decimated by the herbivorous sea urchins.The kelp forests supply food for a wide variety of marine organisms,as well as providing refuge from predation and nursery habitat for juveniles.Based on this,what type of species best describes sea otters?

• A)indicator species.
• B)flagship species.
• C)keystone species.
• D)dominant species.
• E)umbrella species.

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Methodologies and techniques used for analyzing data to identify patterns, trends, and relationships among variables.

Standard Time

The established amount of time required to complete a specific task or process under normal working conditions.

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The mean value calculated from a set of observed data points, representing the central tendency of the dataset.

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